TPS25221DBVR

@@ -0,0 +1,48 @@+# TPS25221DBVR++**Texas Instruments** · Supervisor and Reset ICs · SOT-23-6++TPS25221DBVR from Texas Instruments, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | IN | power_in | Input voltage and power switch drain. Operating range 2.5 V to 5.5 V. Connect a 0.1 µF or greater ceramic bypass capacitor from IN to GND close to the IC. |+| 2 | GND | power_in | Ground connection. Internal thermal path also references GND (thermal pad on WSON variant is connected internally to GND). |+| 3 | EN | input | Active-high enable input. Logic high turns the power switch on; logic low turns it off. VIH ≥ 1.7 V, VIL ≤ 0.66 V; absolute range 0 to 5.5 V. |+| 4 | FAULT | output | Active-low open-drain fault flag. Asserted low during over-current or over-temperature conditions after the ~8 ms deglitch. Requires an external pull-up (typ. 20 kΩ). Max sink current 25 mA. |+| 5 | ILIM | output | Current-limit programming pin. External resistor to GND (20 kΩ to 210 kΩ) sets the current-limit threshold from ~2.72 A down to ~275 mA. ILIM source current limited to 1 mA max. |+| 6 | OUT | power_out | Power switch output; connect to load. Delivers up to 2 A continuous. USB applications require ≥120 µF bulk capacitance on downstream ports. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-6 |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `TPS25221DBVRDBVR`+- `TPS25221DBVRDBVT`+- `TPS25221DBVRDRVR`+- `TPS25221DBVRDRVT`++## CAD (KiCad official)++- Symbol: `TPS25221DBVR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tps25221.pdf) (36 pp, sha256 `9835ac1b2df4b019`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tps25221dbvr-datasheet.pdf)

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